CN101204749A

CN101204749A - Router with bearing arrangement

Info

Publication number: CN101204749A
Application number: CNA2007101993990A
Authority: CN
Inventors: A·蔡塞尔; H·勒姆; J·布卢姆
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2006-12-22
Filing date: 2007-12-20
Publication date: 2008-06-25
Anticipated expiration: 2027-12-20
Also published as: GB2445255A; GB0724796D0; GB2445255B; CN101204749B; DE102006061243A1

Abstract

A routing machine comprises a motor housing 14, from the underside of which a tool holder 16 for a milling tool 18 projects, comprising at least two guide columns 20, 22 for guiding displacement of the motor housing 14. A locking device 26 is provided, by means of which the motor housing is releasably fixable relative to one guide column. A further locking device 28 is provided for releasably fixing the motor housing 14 relative to the other guide column 22.

Description

On mill machine

Technical field

The present invention relates to a kind of preamble according to claim 1 on mill machine (Oberfr  se).

Background technology

By DE 41 39 759 A1 known a kind ofly mill machine on such, this groover has a motor field frame, stretches out a cutter receiver that is used for milling cutter by this housing bottom side.Milling facility on being somebody's turn to do has a pilot unit that comprises two leads that is used for motor field frame, and this motor field frame is installed on the lead movably.For relative one of them lead fixed motor housing releasably, milling facility on this has a fixture.

Summary of the invention

The present invention relates to mill machine on a kind of, have: a motor field frame, stretch out a cutter receiver that is used for milling cutter by this housing bottom side; A pilot unit that is used for motor field frame that comprises at least two leads, motor field frame is installed on the lead movably; A fixture makes the relative lead of motor field frame releasably fixing by this fixture.

Pilot unit is installed on the substrate usually.Mill machine when work last, substrate is usually located on the workpiece and is used for guiding on workpiece.This can enter in the workpiece milling cutter apace.

The present invention proposes: another fixture is set, and another lead is releasably fixing relatively to make motor field frame.Mill the rigidity and the impact resistance of machine on advantageously having improved thus, wherein, working preferably of another fixture milled after the depth adjustment or work back and carry out when milling process closing on of first fixture.Advantageously eliminate the running clearance of the relative substrate of motor field frame fully by working of second fixture.

Propose in addition, another fixture is arranged on the solid lead that mills machine.The solid configuration of this lead reduces the distortion of generation usually on the lead when the fixed motor housing, the rigidity of milling machine on additionally improving thus.

Propose in addition, on the last handgrip that mills machine, be provided with one and be used to make another fixture to work and/or inoperative mechanism, can cosily operate this mechanism thus.The hand that the operator is held on the handgrip when therefore milling machine in the use can touch this mechanism soon, can operate this mechanism simply thus.

Propose in addition, the distance of the grip area that is used for the gripping of operator's hand of this mechanism and handgrip is less than or equal to maximum finger sphere of action.Available action person's hand of gripping handgrip is operated this mechanism thus, another fixture is worked and/or inoperative, and this operator's hand need not be thrown off from handgrip.Advantageously, this mechanism is arranged in the zone of the thumb of operator's hand on the handgrip, can cosily operate this mechanism with its thumb so that mill the operator of machine on being somebody's turn to do under the situation that grips handgrip.Mill in the machine work last, the operator is pressed in this machine on the workpiece when milling machine in operation usually.Advantageously, this pressure of thumb is used to make second fixture to work simultaneously.The maximum effect scope of a general operation person's operation finger is as the finger sphere of action of maximum.This sphere of action exceeds the average finger length of people 1-2cm at the most.At this, maximum finger sphere of action depends on the direction of relative grip area and the selection of finger under individual cases.Typically, when operator's hand gripped handgrip, the finger sphere of action of the maximum of thumb was the top 5-8cm of the occupied position of thumb.At this, the border of this grip area is also determined by the average-size of the hand of operator's gripping handgrip.

Propose in addition, two fixtures can irrespectively work each other and/or be inoperative, can enter to milling thus.Milling cutter freely is milled in the workpiece usually uncontrollably.Therefore, if, be favourable in the slight resistance pressurization of this opposing.Therefore second fixture is advantageously also used as the so-called brake that enters, and its mode is that first fixture stays open and at first operate second fixture.

Propose in addition, but another fixture has a lever that is bearing in to rocking-turn at least one supporting position in motor field frame, the lever end of this lever can be pressed on the lead.Realize on the fixture structure simple configuration thus, this configuration can be applicable to traditional have two leads on mill in the machine.

Propose in addition, the thrust of lever can by at least one support bit position and on mill the horizontal axis of machine and the angle that compresses between the lever is regulated, that is to say that thrust can change by simple structural change.

Advantageously, after making fixture inoperative, realize that by a back-moving spring lever automatically resets in the home position.

Description of drawings

Other advantage of the present invention can obtain from following description of drawings.In following four accompanying drawings, at length express two embodiment of the present invention with other details.Accompanying drawing illustrates and claims comprise a plurality of features in combination.The professional can meet the destination and individually investigate these features and sum up significant other combination.

Shown in the figure:

Fig. 1: have motor field frame on mill the front view of machine, this groover has a fixture, one of them lead is releasably fixing relatively by this fixture motor field frame, and have another according to fixture of the present invention, be used for relative another lead fixed motor housing releasably;

Fig. 2: on mill the part section of machine, have be in the state of working according to fixture of the present invention;

Fig. 3: according to the section of first embodiment of fixture of the present invention, and

Fig. 4: according to second embodiment of fixture of the present invention.

The specific embodiment

Fig. 1 represent to have a motor field frame 14 on mill machine, this motor field frame has a top that preferably is made of plastics 48 and a preferred lower part made of aluminum 50, wherein, also can consider other configuration of motor field frame 14, for example has lid.

A drive motor 52 is set in motor field frame 14, and this drive motor rotates motor main shaft 54.Motor main shaft 54 is connected with cutter receiver 16 nothings with relatively rotating, and the milling cutter 18 that is used for workpiece processing can be clamped in this cutter receiver.Drive motor 52 is connected with an electric power connection line road 58 of passing a protecting tube 56 and deriving from motor field frame 14, and this electric power connection line road can be connected to one at this unshowned voltage source.

Motor field frame 14 has the

handgrip

10,12 that at least one and this motor field frame 14 are permanently connected.Milling facility on being somebody's turn to do in the present embodiment has two

handgrips

10 and 12, and these two handgrips are opposite each other.Preferred these

handgrips

10,12 are formed on the top 48.Extend in vertical direction, a columniform grip area 42 basically is set respectively on

handgrip

10,12, is used to place operator's hand.In the subregion of grip area 42, be provided with anti-skidding rubber lining.

On the handgrip 12 in two handgrips an electric switch 60 is set, be used to make drive motor 52 to receive on the voltage source or drive motor 52 and voltage source are disconnected, a connection/stopcock that is used for drive motor 52 promptly is set, wherein, this switch 60 reaches with drive motor 52 by

lead

62,64 and is connected with electric power connection line road 58.The switch 60 that is used to start drive motor 52 is positioned at the inside of handgrip 12 and has a release knob 66 on the outside that is arranged on handgrip 12, and this release knob forms with switch 60 and effectively is connected.When release knob 66 is pressed into and electric power connection line road 58 when being connected on the voltage source, switch 60 is electrically connected setting up between drive motor 52 and the voltage source in common mode.Release knob 66 be arranged on handgrip 12 towards on mill on the side of machine so that on mill machine the operator be in one's hands and stop 12 o'clock, can be cosily with its thumb 32 console switch buttons 66.

Motor field frame 14 is Height Adjustable, promptly is arranged essentially parallel to the vertical axis 68 that mills machine or milling cutter 18 and is bearing on the substrate 70 by pilot unit 24 movably.Pilot unit 24 has at least one first lead 20 and one second lead 22.First lead 20 as so-called principal post is that hollow second lead 22 that reaches as so-called subpost is solid.Solid lead 22 can prevent reversing of motor field frame 14 and form travel limit upwards.A top of solid lead 22 on the end on top 48, in a cannelure, be provided with a collar 72, this collar can prevent that motor field frame 14 from by mistake skidding off from

lead

20,22.

Motor field frame 14 can releasably be fixed by a relative lead 20 that is configured to principal post by first fixture 26.In the present embodiment, motor field frame 14 can be releasably fixing by first fixture, 26 relative principal posts 20, and wherein, first fixture 26 is implemented as clamping device.

On mill machine the adjusting of milling depth as usually, by motor field frame 14 along on mill machine vertical axis 68 move on the required value and realize.Subsequently, the fixture 26 that is configured to clamping device works.This clamping device 26 has a supporting rod 74 that acts on the principal post 20.By rotating this supporting rod 74, make motor field frame 14 be fixed on the principal post 20.

Especially in order to mill the rigidity of machine on improving, be provided with another, i.e. second fixture 28, another lead 22 is releasably fixing relatively to be used to make motor field frame 14.In the present embodiment, to be arranged on solid lead be on the so-called subpost 22 to this another second fixture 28.

According to Fig. 2, but second fixture 28 according to the present invention has a lever 38 that is bearing in to rocking-turn in the

bearing position

34,36 in motor field frame 14, and the first lever end 40a, the 40b of this lever can be pressed on the lead 22.But the professional that also can consider this another second fixture 28 thinks significant other configuration, travel mechanism for example, and wherein moving-member can be resisted against on the lead 22 and move.This another fixture 28 is in the state that works shown in figure 2, and promptly

lever end

40a, 40b are pressed against on the lead 22.

On the last handgrip 12 that mills machine, preferably on handgrip 12, be provided with one and be used to make another fixture 28 to work and/or inoperative mechanism 30 with electric switch 60.Preferred this mechanism 30 is less than or equal to maximum finger sphere of action to the distance of the grip area 42 of handgrip 12, and the hand that this grip area is used to place the operator is set.In the present embodiment, it is own that mechanism 30 relates to lever 38, this lever is bearing in the motor field frame 14 that mills machine in this wise, consequently its second lever end 76 stretches out from the handgrip 12 that mills machine and can be by operator's thumb 32 operation, promptly when operating lever end 76, thumb 32 is pressed on the handgrip 12 and causes compaction process thus.Two

fixtures

26,28 can irrespectively work each other and/or be inoperative.

Its first lever end of lever 38

usefulness

40a, 40b directly are pressed on the lead 22.Decide position on supporting

position

34,36, not only the l of focal length of lever 38 ₁, l ₂Ratio and also on mill between the horizontal axis 44 of machine and the lever 38 compress angle [alpha] and thus the thrust of lever 38 on lead 22 all can change.Lever 38 is provided with two and is used for the

spring

46,47 that lever 38 resets, and these two springs turn back in the home position lever 38, and lever 38 preferably is not pressed on the lead 22 in this home position.

Fig. 3 represents a section according to first embodiment of fixture 28 of the present invention.At this, the physical dimension of the first lever end 40a is basically corresponding to the physical dimension of second lever end 76, wherein lever end 40a with a face by touching on lead 22.

Fig. 4 represents second embodiment according to fixture 28 of the present invention, and wherein the first lever end 40b constitutes in this wise, so that realizes the centering of whole lever 38 and the running clearance between elimination motor field frame 14 and the substrate 70.Lever end 40b with two preferred faces opposite each other by touching on lead 22.

Claims

1. mill machine on, have: a motor field frame (14), stretch out a cutter receiver (16) that is used for milling cutter by this housing bottom side; A pilot unit that comprises at least two leads (20,22) (24) that is used for motor field frame (14), motor field frame is installed on the described lead (20,22) movably; An and fixture (26), can make the described relatively lead of motor field frame (14) (20) releasably fixing by this fixture, it is characterized in that: another fixture (28) is set, is used to make described relatively another lead of motor field frame (14) (22) releasably fixing.

2. according to milling machine on the claim 1, it is characterized in that: described another fixture (28) is arranged on the solid lead (22) that mills machine.

3. according to milling machine on claim 1 or 2, it is characterized in that: on the last handgrip (12) that mills machine, be provided with one and be used to make described another fixture (28) to work and/or inoperative mechanism (30).

4. according to milling machine on the claim 3, it is characterized in that: the distance that the grip area (42) that is used for the gripping of operator's hand is set of this mechanism (30) and handgrip (12) is less than or equal to the finger sphere of action of a maximum.

5. according to milling machine on one of above claim, it is characterized in that: two fixtures (26,28) can irrespectively work each other and/or be inoperative.

According in the above claim one on mill machine, it is characterized in that: described another fixture (28) has one and be bearing at least one supporting position (34 turningly in motor field frame (14), 36) lever in (38), (40a 40b) can be pressed on the lead (22) lever end of this lever.

7. according to milling machine on the claim 6, it is characterized in that: the position that the thrust of lever (38) can be by described at least one supporting position (34,36) and on mill a horizontal axis (44) of machine and the angle (α) that compresses between the lever (38) is regulated.

8. according to milling machine on one of above claim, it is characterized in that: described another fixture (28) has at least one and is used for making lever (38) to reset to the spring (46,47) in a home position.